---
name: "devdupablxorexpr"
section: "3"
platform: "linux"
package: "alliance"
version: "5.1.1-3"
release: "Debian 10 (Buster)"
platforms: ["linux"]
url: "https://new.carta.tech/devdupablxorexpr"
---

# devdupablxorexpr(3)

duplicates and develops 'xor', 'nxor'.

## NAME

devdupablxorexpr - duplicates and develops 'xor', 'nxor'.

## SYNOPSYS

```
#include "abl101.h"
chain_list ∗devdupablxorexpr( Expr )
  chain_list ∗Expr;
```

## PARAMETERS

- *Expr*

  Expression to develop.

## DESCRIPTION

**devdupablxorexpr** develops 'xor' or 'xnor' in *Expr*.\

## RETURN VALUE

**devdupablxorexpr** returns a pointer to the modified expression.

## EXAMPLE

```
#include "abl101.h"
  chain_list ∗Expr1;
  chain_list ∗Expr2;
  Expr1 = createablbinexpr( ABL_XOR,
                            createablatom( "a" ),
                            createablatom( "b" ) );
  Expr2 = devdupablxorexpr( Expr1 );
  /* displays (a and (not b)) or ((not a) and b) */
  viewablexpr( Expr2, ABL_VIEW_VHDL );
```

## SEE ALSO

[**abl**(1)](/abl/1.md), **[devdupablxorexpr(3)](/devdupablxorexpr/3.md).**